CMYK Coasters: physics and psychophysics of four color printing demonstrated with acrylic slides that assemble to reveal Vermeer's "Girl with a Pearl Earring". Magenta, yellow, and black (key) comprise the elements of the subtractive color model used in most color printing

http://ift.tt/2kbiZaF via /r/aww http://ift.tt/2jpaKe1