Ключевые слова: atom, atomic, background, black, blue, contamination, dark, decay, energy, fallout, fission, force, gaseous, glow, green, gtls, hydrogen, illumination, irradiated, isotope, light, luminescence, marker, neon, nuclear, physics, power, radiation, radioactive, radioisotope, radioluminescent, science, self illuminating, shine, sign, source, sticks, symbol, technology, tritium,