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Feb 14, 2023

Using Recycled Paper to Cool the Air

Posted by in categories: business, engineering, sustainability

That’s the premise of Yi Zheng’s new invention. The associate professor of mechanical and industrial engineering at Northeastern has created a sustainable material that can be used to make buildings or other objects able to keep cool without relying on conventional cooling systems.

Circa: 2021


MIE Associate Professor Yi Zheng developed a “cooling paper” that could help cool the air in homes and businesses without the use of electricity.

Main photo: What if buildings could stay cool all on their own—no electricity required? That’s the premise of a new invention by Yi Zheng, associate professor of mechanical and industrial engineering at Northeastern. Photo by Ruby Wallau/Northeastern University.

The sun beats down, making everything you touch radiate burning heat. Beads of sweat form all over your body, even when you sit still. It’s one of those beastly hot summer (or spring) days.

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