Ключевые слова: background, black, bright, bulb, clip, color, concept, concepts, creative, creativity, design, discovery, edison, electric, electricity, energy, equipment, gas, glass, glow, glowing, heat, idea, illuminated, image, imagination, incandescent, innovation, inspiration, intelligence, invention, isolated, lamp, light, lightbulb, object, power, saving, science, single, solution, supply, symbol, technology, thinking, transparent, warming, watt, white, wire,