Believe it or not, it’s paint. But not just any paintthis stuff holds the official Guinness world record for being the ...

Researchers at Purdue University have developed an ultra-white paint that is said to reduce or even eliminate the need for air conditioning. It’s claimed to be the world’s whitest paint ...

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The ultra-white paint, recognised last year as the world’s whitest by Guinness World Records, “has plenty of competition from other researchers”, said Scientific American, but manufacturers ...