A Pinch of Iron - Key to the Development of Magnetic Refrigerators

By adding a small amount of iron (about 1 percent by volume), researchers at the Commerce Department's National Institute of
Standards and Technology (NIST) enhanced the effective cooling capacity of the so-called "giant magnetocaloric effect" material by 15 to 30 percent. The achievement might move the promising technology closer to market, opening the way to substantial energy and cost savings for homes and businesses.
Full story available here: http://www.physorg.com/news230.html
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