China's first superconductor cable network went live in Kunming, Yunnan province, making China one of only three countries, after the US and Denmark, to have working superconductor technology, state media reported. Superconductors, made of alloy-based materials and other metals, have up to five times the power transmission capability of conventional cable because they lose resistance when cooled to very low temperatures. The network, run out of at Puji Power Station, is backed by the Ministry of Science and Technology.
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