Noun: color (countable and uncountable, plural colors) (American)

1. (uncountable...

Noun: colour (countable and uncountable, plural colours)

1. (British) Alternative form of color
2. colour (plural colours or coloures)
3. colour, hue
4. The colour of an aforementioned thing or region
5. (heraldry) Heraldic colour

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Adjective: colour (not comparable)

1. (Australia, Canada, Ireland, New Zealand, Britain) Alternative form of color

Verb: colour (third-person singular simple present colours, present participle colouring, simple past and past participle coloured)

1. (Australia, Canada, New Zealand, Britain) Alternative form of color

Color (American English) or colour (Commonwealth English) is the characteristic of human visual perception described through color categories, with names such as red, orange, yellow, green, blue, or purple. This perception of color derives from the stimulation of cone cells in the human eye by electromagnetic radiation in the visible spectrum. Color categories and physical specifications of color are associated with objects through the wavelength of the light that is reflected from them. This reflection is governed by the object's physical properties such as light absorption, emission spectra,...

Lawrence Maxwell Krauss (born May 27, 1954) is an American-Canadian theoretical physicist and cosmologist who is a professor in the School of Earth and Space Exploration at Arizona State University and a former professor at Yale University and Case Western Reserve University. He founded ASU's Origins Project to investigate fundamental questions about the universe and served as its director until July 2018. In response to allegations about sexual misconduct by Krauss, ASU conducted an investigation. Having determined that Krauss had violated university policy, they removed him from the position...