1) Color space
Found on
https://www.crosswordclues.com/clue/macadam-ellipse
In the study of color vision, MacAdam ellipses refer to the region on a chromaticity diagram which contains all colors which are indistinguishable, to the average human eye, from the color at the center of the ellipse. The contour of the ellipse therefore represents the just noticeable differences of chromaticity. == History == In the study of col...
Found on
http://en.wikipedia.org/wiki/MacAdam_ellipse
Crater Plana photographed by Eric S. Kounce of the West Texas Astronomers (www.wtastro.org) on October 28, 2006 from the McDonald Observatory`s 36-Inch Telescope. ...
Found on
http://en.wikipedia.org/wiki/Macadam_Ellipse
No exact match found.
