Something to look forward to perhaps?

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NIST researcher Mark Kedzierski found that dispersing sufficient amounts of copper oxide particles 30 nanometers in diameter in a common polyester lubricant and combining it with the refrigerant R134a improved heat transfer by 50 to 275 percent. "We were astounded," he said in a NIST news release.
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link: http://www.ohsonline.com/articles/65771