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A guitarist performs as electric bolts course through his body. Zhu Xingxin / China Daily |
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Wang Zengxiang (right) and his assistant install a Tesla coil in his courtyard. A Tesla coil is an electrical resonant transformer circuit invented by Nikola Tesla around 1891. The transformer produces high voltage at high frequencies, which acts as a giant lightning machine, and creates long bolts of electricity. Liu Tao / for China Daily |
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