Climate change deniers

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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.

The material, which Zheng has dubbed “cooling paper,” works in two ways. Its light color reflects those warm solar rays away from the building, and it also sucks heat out of the interior, too.

Zheng, who studies nanomaterials, saw a bucket full of used printing paper. He recalls thinking to himself, ‘How could we simply transform that waste material into some functional energy material, composite materials?’

So, with the help of a high-speed blender from his home kitchen, Zheng made a pulp out of paper waste and the material that makes up Teflon. Then he formed it into water-repelling “cooling paper” that could coat homes. Then, he and his team tested its capacity to keep cool under various temperature and humidity conditions.

Zheng and his colleagues found that the cooling paper can reduce a room’s temperature by as much as 10 degrees Fahrenheit.

Quote: rxwine

https://news.northeastern.edu/2021/06/07/how-to-keep-cool-without-turning-on-the-ac/

That's a pretty significant reduction in temperature. You usually get a calculation from your local energy company, on how much savings you get by just changing the temp by 1 degree over a month. Not to mention the overall energy reduction in temperate climates -- thus using less fossil fuel.

Quote: kenarman

That doesn't pass the smell test.

Quote: kenarman

That doesn't pass the smell test.

Quote: AZDuffman

I agree. 10F is a lot of heat to suck up. Almost enough that the "paper" would near be too hot to even touch.

Quote: rxwine

It’s.not storing heat, just transferring it to the other side.

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Now I’m curious why you guys believe they would make an easily refutable claim that could be tested in a couple hours at most without any expensive or extraordinary equipment?

Quote: rxwine

It’s.not storing heat, just transferring it to the other side.

Now I’m curious why you guys believe they would make an easily refutable claim that could be tested in a couple hours at most without any expensive or extraordinary equipment?

Quote: kenarman

The wall is insulated and the inside and outside of the wall are not at the same temperature. Most heat transfer in or out of a house is through the glass, 2nd most is through the ceiling. I have done heat loss/gain calculations for 50 years to size systems.

Quote: terapined

Yet
Simply due to positioning the house regarding the rising and falling sun can save lots of energy.

Quote: kenarman

The wall is insulated and the inside and outside of the wall are not at the same temperature. Most heat transfer in or out of a house is through the glass, 2nd most is through the ceiling. I have done heat loss/gain calculations for 50 years to size systems.