Picture through Ruby Wallau / Northeastern University

After the summer heat air conditioning becomes more necessary than luxury. Therefore, 87% of U.S. homes use air conditioners U.S. Energy Information Administration, where homeowners are willing to cough up an extra $ 265 a year on average to cool down.

Unfortunately, AC units aren’t the most economical or environmentally friendly appliances in everyday life – so what can people do besides turn on the power or put a refrigerator in their home, just like at other times?

New material invented by Yi Zheng, an expert in nanomaterials and an assistant professor of mechanical and industrial engineering at Northeastern University, may be the solution. As its name suggests,Cooling paper‘is indeed made of paper, which guarantees a free alternative to fossil fuels for heavy air conditioning. Made from recyclable paper, it is up to 100% recyclable without losing efficiency.

Zheng recommends the lining of cooling paper on roofs because the porous microstructure of its fibers is able to remove the sun’s rays by absorbing heat from the interior and redirecting it elsewhere. The material can lower the room temperature by up to 10 degrees Fahrenheit, he said.

As reported by A network of good news, the idea came to the scientist when he spoke on used printing paper, which made him think, “How can we simply turn waste material into a functional energy material, a composite material?”

Create cooling paper Zheng put the scraps of paper in a quick mixer in his own kitchen and changed the pulp from it. He then combined it with a material consisting mainly of Teflon. The end result is a water-repellent paper that can be used to cover homes.

To his surprise the cooling paper worked just as well as the first time after recycling. “I was surprised when I got the same result,” the scientist said. “We thought the loss was going to be maybe 10%, 20%, but no.”

Picture through Ruby Wallau / Northeastern University

[via Freethink and Good News Network, images via Ruby Wallau/Northeastern University]



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