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The physicists demonstrated the new approach in experiments with dysprosium, which is the most magnetic atom in nature.

The careful addition of a small amount of dysprosium, another rare earth element, is one way to improve a magnet's efficiency.

For dysprosium, also used in wind turbines, that figure was 67 percent.

Aside from over-reliance on China, refining rare earths, such as neodymium and dysprosium, involves solvents and toxic waste that conflict with sustainability goals.

Because they're so magnetic, these breakaway particles interact strongly with the quantum fluid and encourage dysprosium atoms' inherent inclination to stack.