“When 90 years’ worth of original drawings and sketches from Walt Disney Animation Studios traveled internationally for the first time this summer, they were accompanied by a newfangled protective device: an optoelectronic “nose,” designed to sniff out pollutants in the air before they could irreversibly damage the artwork.”
Hyperallergic.com/283111/new-artificial-nose-sniffs-out-art-harming-pollutants/

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