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Purdue said its 'whitest paint' could fight climate change. 4 years later, some ask where it's gone

WEST LAFAYETTE — When Purdue professor Xiulin Ruan unveiled the “world’s whitest paint” in 2021, it was heralded nationwide as being history’s next most important invention. Guinness declared it the ...
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Researchers create world’s whitest paint designed to reduce need for air conditioning

WEST LAFAYETTE, Ind. — Researchers at Purdue University say they’ve developed the world’s whitest paint that’s designed to reduce or even eliminate the need for air conditioning. Xiulin Ruan, a ...