Gold-Plated Church Windows Purify Air

Gold-Plated Church Windows Purify Air

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stained-glass-london.jpg Medieval stained-glass windows colored in gold nanoparticles help purify air when lit by the sun, a new study finds. “For centuries people appreciated only the beautiful works of art, and long life of the colors, but little did they realize that the stained-glass windows are also, in modern language, photocatalytic air purifiers.” (LiveScience.com)

(Thanks to Sun Star for submitting the story!)

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