Ключевые слова: abstract, background, backgrounds, blue, bright, chromatic, color, colored, colorful, colors, dividing, education, equipment, experiment, fiber, glass, image, instrument, laboratory, laser, lens, light, lighting, medicine, multi, optic, optical, physics, prism, projection, rainbow, ray, refraction, render, research, science, scientific, separation, shape, side, spectrum, technology, vibrant,