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In the magnetic levitation train example, conventional electromagnets could be supplemented by a metamaterial, which would have been designed to produce significantly higher intensities of magnetic fields using the same amount of electricity.

Video courtesy of Association of Science - Technology Centers (ASTC), representing the science centre and museum field worldwide. To learn more, visit http://www.astc.org/. Follow us on Twitter: @ScienceCenters. Tel-Aviv University demos quantum superconductors locked in a magnetic field (www.quantumlevitation.com).