Color The science of color is sometimes called chromatics, colorimetry, or simply color science. It includes the study of the perception of color by the human eye and brain, the origin of color in materials, color theory in art, and the physics of electromagnetic radiation in the visible range (that is, what is commonly referred to simply as "light"). Electromagnetic radiation is characterized by its wavelength (or frequency) and its intensity. When the wavelength is within the visible spectrum (the range of wavelengths humans can perceive, approximately from 390 nm to 700 nm), it is known as "visible light". Most light
Media and LGBTQ youth of colour in the United States over seven million readers, Black Girl Dangerous ended its online publication on July 31, 2017. The social-networking site Tumblr has a number of blogs geared towards LGBT youth of colour, including Fuck Yeah Queer People of Color and LGBT + PoC. The blogs provide a space for LGBT youth of colour to contact other LGBT PoC youth. With the rise in popularity of podcasts, the LGBTQ-of-colour community has connected with one another and discussed the triumphs and issues they face. In Louisville, Kentucky, Kaila Story and Jaison Gardner (two black members of the LGBTQ community) discuss a variety of topics