Tests carried out by researchers at Purdue University on their "ultra-white" paint showed it reflected more than 98% of sunlight. . Reflective cooling paints are already commercially available, like titanium dioxide paint, but they are unable to achieve temperatures . According to USA Today, Researchers at Purdue University have developed an ultra-white paint that is capable of reflecting 98.1 percent of solar radiation while outputting infrared heat efficiently. Two features make this paint ultra-white: a very high concentration of a chemical compound called barium sulfate - also used in photo paper and cosmetics - and different particle sizes of barium sulfate in the paint, scientists at Purdue said. Members get access to exclusive content. The "ultra-white" paint reflects 98 per cent of sunlight and deflects infrared heat, allowing buildings to cool below the surrounding air temperature. The breakthrough is detailed in this . Xiulin Ruan, a professor of mechanical engineering and his team at Purdue University have created the world's "whitest paint". In that publication, as well as an April news release by Purdue, the researchers explained how the white paint reflects up to 98.1% of sunlight, and simultaneously sends infrared heat away from . Two features make this paint ultra-white: a very high concentration of a chemical compound called barium sulfate - also used in photo paper and . Written by Sara Spary, CNN. Scientists have made an ultra-white paint that reflects 98.1% of the sunlight. But now, they have outdone themselves by creating the world's whitest paint, which . The researchers believe that this white may be the closest equivalent of the blackest black, "Vantablack," which absorbs up to 99.9% of visible light.The new whitest paint formulation reflects up to 98.1% of sunlight - compared with the 95.5% of sunlight reflected by the researchers' previous ultra-white paint - and sends infrared heat away from a surface at the same time. Researchers at Purdue University have developed an "ultra-white" paint that reflects 98 per cent of sunlight and deflects infrared heat, allowing buildings to cool below the surrounding air . . The whitest paint in the world has been created in a lab at Purdue University in the US, a paint so white that it could eventually reduce or even eliminate the need for air conditioning . The white paint reflects 98.1 percent of solar radiation as it emits infrared heat, according to Purdue. . The record appears in the 2022 edition of Guinness World Records.. Coating buildings with this paint may one day cool them off enough to reduce the need for air conditioning, the researchers say. The new paint comes courtesy of research led by Xiulin Ruan, a professor of mechanical engineering at Purdue University in West Lafayette, Indiana. the researchers made the paint ultra-white by using a high . Purdue University Purdue e-Pubs CTRC Research Publications Cooling Technologies Research Center 2021 Ultra-White BaSO4 Paint and Film with Remarkable Radiative Cooling Performance X. Li Purdue University J. 'Worst is yet to come': Disastrous future ahead for millions worldwide . This whitest paint surpasses the ultrawhite paint that the same group of engineers at Purdue . Purdue Professor Xiulin Ruan holds up a square of ultra-white paint his research team recently found could help cool the entire planet. This white paint could . Out of West Lafayette, Indiana . Listen in as we share more details about one of This Is Purdue's most popular episodes to date! (c)2021 USA Today Visit USA Today at www.usatoday.com White houses are often boring, but they might just save the planet. The paint, developed by the . The "ultra-white" paint reflects 98 per cent of sunlight and deflects infrared heat, allowing buildings to cool below the surrounding air temperature. The latest whiter-than-white paint may be a solution to global warming, according to a Perdue University research team. This new ultra-white paint could replace your AC, the future is cool Purdue University researchers develop ultra-white paint that reflects a huge 98.1% of solar radiation, could reduce AC needs . In fact . 'Worst is yet to come': Disastrous future ahead for millions worldwide . The researchers say they weren't even planning to develop a new paint, but rather an answer to help slow global warming. In an effort to curb global warming, Purdue University engineers have created the whitest paint yet. The "ultra-white" paint was engineered with a very high percentage of barium sulfate, a chemical compound with particles of varying sizes that allow the paint to scatter more light. The six-year study builds on attempts going back to the 1970s to develop radiative cooling paint as a feasible alternative to traditional air conditioners. Peoples Purdue University P. Y. Yao Purdue University X. Ruan Purdue University The cooling is made possible because the new ultra-white paint reflects 98% of the sun's rays plus sends infrared heat away from the surface. July 7, 2021. Tests carried out by researchers at Purdue University on their "ultra-white" paint showed it reflected more than 98% of sunlight. Purdue University engineers introduced last October an ultra-white paint that is whiter than most paints today. A high concentration of the chemical compound, barium sulfate, which is found in cosmetics, and various sizes of that compound is what makes the paint ultra-white. Researchers at Purdue University's School of Mechanical Engineering are not focused on competing in this color war in the art world. In this episode of This Is Purdue, professor of mechanical engineering at Purdue University, Xiulin Ruan, discusses his newest invention - ultra-white paint. That in turn reduces emissions. The ultra-white paint, which reflects 98.1% of sunlight and deflects infrared heat, could dramatically reduce or even eliminate the need for air conditioning in some regions. Image not available. In fact, they've developed an "ultra-white" paint, which reflects 95.5% of light and has serious potential applications in the built environment. Researchers at Purdue University have developed a new ultra-white paint that reflects 98.1 percent of sunlight and can keep surfaces up to 19 degrees Fahrenheit cooler than their ambient surroundings. As USA Todayreports, Purdue University researchers have developed an ultra-white paint (it just earned a Guinness World Record . They are, instead, seeking practical uses for colors. Ultra-black coatings and paints like . Purdue University says if you want to save big on your air conditioning bills to wait a few years to coat your home with the world's whitest paint. The record appears in the 2022 edition of Guinness World Records, available for purchase starting Thursday . White houses might not please the eyes that much, but they might just help save the planet. Hover to zoom. Amber Nelson. As proof, according to their research , tests conducted during sunny, midday hours on the roof of a campus building in West Lafayette, Indiana, the paint kept outdoor surfaces 8 degrees cooler than the . The paint, developed at Purdue University, has earned a Guinness World Records TM title. "This white paint is the result of research building on attempts going back to the 1970s ," adds a statement from Purdue University, "to develop radiative cooling paint as a feasible alternative to traditional air . To achieve passive daytime radiative cooling, current state-of-the-art solutions often utilize complicated multilayer structures or a reflective metal layer, limiting their applications in many fields. The paint, developed at Purdue University, . Corrections & Amplifications The ultra-white paint developed at Purdue University absorbs much more sunlight than conventional white paints. Attempts have been . Credit: Purdue University/Jared Pike. 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