On Vision and Colors are, however, nonessential properties that differ according to the type of light-refracting substance that is used. The top of the upper image is violet. Below the violet is blue. The bottom of the lower image is orange. Above the orange is yellow. In this way, along with the white disk and the black background, four prismatic colors appear: violet, blue, yellow, and orange. This is in disagreement with Newton's claim that there are seven prismatic colors. As the upper image overlaps black, it is seen as violet. Where it overlaps white, it is seen as blue. As the lower image
Science Spectrum fall of 1986, a board of directors was formed and the Science Spectrum was incorporated. The museum officially opened to the public on February 11, 1989, as a hands-on science and technology museum. It is a 501-C3 nonprofit educational corporation and is a member of the Association of Science and Technology Centers. The logo of the Science Spectrum is the prism, first discovered by Sir Isaac Newton. Throughout the ages, light has been associated with knowledge and understanding. As white light is actually the sum of many colors of different wavelengths, the light of knowledge of our world is composed