Ключевые слова: abstract, analysis, background, beam, bright, color, colorful, concept, data, design, discovery, dispersion, education, electromagnetic, element, experiment, future, glass, graphic, icon, illustration, information, innovation, isolated, knowledge, laboratory, learning, light, minimal, optics, physics, prism, rainbow, ray, refraction, research, school, science, scientific, simple, spectrum, symbol, technology, textbook, transparent, triangular, visible, wavelength, white,