This ‘simple’ coating could turn your lampshade into an air purifier

It’s still in the development phase, but researchers at South Korea’s Yonsei University have found a way to use the heat given off by light bulbs as a catalyst against pollutants.

When you think about air quality, your mind probably first goes to the outdoors, where the air can be polluted by passing cars, coal plants, or wildfire smoke. But your indoor air is full of pollutants too, which can come from cooking and cleaning, building materials, and even the flame retardants on your couch. Now researchers have an inventive solution: a coating that turns regular lampshades into air purifiers, using the heat given off by light bulbs.

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