spin ices

listen to the pronunciation of spin ices
الإنجليزية - الإنجليزية
plural form of spin ice

Professor Bramwell told BBC News that the development is unlikely to catch on as a means of providing energy, not least because the particles travel only inside spin ices. -- 'Magnetic electricity' discovered, BBC News online, 14 October 2009.

spin ice
Any crystalline material in which the behavior of the magnetic moments is analogous to the behavior of the protons in water ice
spin ices
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