From the archives .....
A highly sensitive magnetic material that could transform computer hard drives and energy storage devices has been discovered.
The metal bilayer needs only a small shift in temperature to dramatically alter its magnetism - a tremendously useful property in electronic engineering. "No other material known to man can do this. It's a huge effect. And we can engineer it," said Ivan Schuller, of the University of California, San Diego. He presented his findings at the American Physical Society meeting in Denver.
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