The Sistine Chapel ceiling frescoes are the world’s most recognized works of art by High Renaissance artist Michelangelo. Epic in scope, the frescoes, which depict scenes from the Book of Genesis, have been described as “an artistic vision without precedent,” and “a veritable beacon to our art, of inestimable benefit to all painters, restoring light to a world that for centuries had been plunged into darkness.” While Michelangelo’s works may have lit the way for untold numbers of artists who followed, until recently, inefficient, lifeless, and heat-generating halogen lamps were being used to light his masterpiece. Recognizing the potential for improvement, multinational lighting manufacturer Osram teamed with universities and private institutes to install a new LED lighting system for the Vatican masterpiece. The EU and private funders helped fund the installation, which was designed to address the shortcomings of the previous lighting system Installed in the 1980s, the original halogen lamps failed to highlight the full scope of colors used in the piece, while converting only 10% of the energy used into light (the other 90% was lost to heat generation). Combined with this high heat output, an increasing number of yearly visitors meant rising temperature concerns, which could potentially damage the work itself. For this new installation, 7,000 low-heat LEDs were specially adjusted to create the most natural, homogenous fine art lighting possible. The hue of each LED was individually adjusted until the results were precisely matched to the color pigments used 500 years ago by Michelangelo in the different sections of the massive work of art. According to Mourad Boulouednine, Osram’s regional head of projects, the Renaissance pigments required a different color rendering index than the ones made available the eight standard testing colors. After performing an optimization process by analyzing light coming from a particular spot on the piece,  the...