The rules about what makes a good magnet may not be as rigid as scientists thought. Using a mixture containing magnetic nanoparticles, researchers have now created liquid droplets that behave like ...
Physicists in the Netherlands have confirmed that graphite is a permanent magnet at room temperature and have pinpointed where the high-temperature ferromagnetism comes from for the first time. The ...
Title and series from caption. "Received December 31,--Read March 25 and April 1, 1852." Extracted from the Philosophical transactions of the Royal Society, v. 142 ...
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