Special marbles in a laboratory are illuminated with an ultraviolet lamp, also known as "blacklight" and show fluorescence

---

Size: 3000px × 2000px
Location: The Hague, Netherlands
Photo credit: © Menno van der Haven / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: black, blacklight, blue, color, colorful, dark, education, educative, experiment, fluor, fluorescence, fluorescent, frequency, glow, glowing, illuminate, illuminated, illumination, lab, laboratory, lamp, light, lit, luminescence, luminescent, marble, marbles, natural, nature, object, physics, purple, research, science, scientific, shining, shiny, showing, test, tube, ultra, ultraviolet, uv, vibrant, violet, wavelength