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This engineered wood could help keep buildings cool by reflecting heat

by Charlotte JeeI

It could help cut carbon emissions by reducing the need to use air conditioning.

How it was created: A team from the University of Maryland stripped out lignin from wood. Lignin acts like a sort of glue holding molecules of wood’s other main component, cellulose, together. But it also absorbs infrared light, which means the wood warms up in the sun.

Read more on technologyreview.com.

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