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"That discovery would revolutionize technology," Norman said. "We'd get much improved electronics, power lines, even electric motors-our best engines are less than 50 percent efficient because so much energy is lost as heat.

Superconductivity describes the phenomenon where an electric current is able to travel through a material without any resistance - the material is a perfect electrical conductor without any energy loss.

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).