photo diffraction light candles on the two diffraction gratings

background beauty blue bright burst candle candles classbook color colorful diffraction eccentric exceptional exemplification exemplum explosion figure fire flag flame flare flash form gay glare glory gratings heart illuminating illustration iridescent lesbian light lightening loveliness mind motley multicolor optics original photo physics pink polychrome racy radiant rainbow sapphic schoolbook shine soul source spectrum spirit spots textbook texture the tutorial two unusual vivid waves