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The Whitest Paint Ever Produced Could Save Energy, Fight Climate Change

Xiulin Ruan, a Purdue University professor of mechanical engineering, holds up his lab’s sample of the whitest paint on record. Jared Pike/Purdue University
At noon on a sunny summer day, the temperature of a conventional dark-colored flat roof can reach 150 degrees Fahrenheit (65 degrees Celsius), according to the U.S. Department of Energy. That heat will warm the inside of a building or a house as well, making it necessary to use air conditioning an energy expenditure that in turn often requires burning fossil fuels at electrical power plants, whose emissions contribute to the progression of climate change. It s a bedeviling problem that might be easily solved, if we only had roofs that reflected solar energy back into the sky, instead of absorbing it. ....

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Whitest Paint Ever Developed Could Help Slow Global Warming

By Madeleine Muzdakis on April 16, 2021
Professor Xiulin Ruan with a sample of the whitest paint yet developed. (Photo: Jared Pike/Purdue University)
Combatting the rise in global temperatures requires creative science and innovative thinking. An exciting, new development was recently announced in the journal
ACS Applied Materials & Interfaces by an engineering team and nanotechnology team at Purdue University. The team had created an ultra-white paint the whitest to date which promises a powerful cooling effect which could help combat the use of air conditioning units which contribute to climate change.
Scientists had previously discovered a white paint that reflects 95.5% of light. This paint was based on calcium carbonate (CaCO3), which is found in chalk. While the darkest black (vantablack) absorbs 99.95 of light waves, the brightest white should reflect the maximum light p ....

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Researchers Develop Paint That Could Help Reduce The Earth's Heating

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Researchers Develop Paint That Could Help Reduce The Earth’s Heating
By Tyler Lee, on 04/16/2021 04:46 PDT
Image credit – Jared Pike/Purdue University
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Apart from a choice of aesthetics, there are reasons why certain colors are preferred when it comes to certain things. For example, when choosing curtains to block out the sun, people tend to go with black, but when you’re trying to keep things light and airy and cooling, people tend to go with white.
White is a popular choice for cooling as it can help by reflecting sunlight and radiating infrared heat, and now thanks to the work of researchers at Purdue University, they have produced what they are calling the “whitest white” paint. In a way, this is similar to the concept of the Vantablack paint, dubbed as the blackest black paint. ....

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