The Cotton Gin. Eli Whitney and the Need for an Invention. As Eli Whitney left New England and headed South in 1792, he had no idea that within the next seven months he would invent a machine that would profoundly alter the course of American history.A recent graduate of Yale, Whitney had given some thought to becoming a lawyer.li Whitney and the Need for an Invention. As Eli Whitney left New England and headed South in 1792, he had no idea that within the next seven months he would invent a machine that would profoundly alter the course of American history. A recent graduate of Yale, Whitney had given some thought to becoming a lawyer.
red and green combine to make yellow green and blue make cyan blue and red make magenta the combination of red green and blue in full intensity makes white white light is created when all colors of the em spectrum converge in full intensity
RGB colors are additive. While in return, subtract cyan â magenta â yellow â black and you will get the RGB colors. CMYK colors are subtractive for this very reason that it starts with all colors and when colors are subtracted the outcome is white (see below color swatch, the inside color is black).GB colors are additive. While in return, subtract cyan â magenta â yellow â black and you will get the RGB colors. CMYK colors are subtractive for this very reason that it starts with all colors and when colors are subtracted the outcome is white (see below color swatch, the inside color is black).