A replica of the seismometer invented in 132 AD by ancient Chinese astronomer Zhang Heng was created by the science-fanatics Wu Di and his father Wu Yongcai who are citizens of the Nanyang city in central China's Henan province. The duo spent six years on making the device. Link
Tuesday, June 19, 2007
Science-fanatics Create Seismometer Replica
A replica of the seismometer invented in 132 AD by ancient Chinese astronomer Zhang Heng was created by the science-fanatics Wu Di and his father Wu Yongcai who are citizens of the Nanyang city in central China's Henan province. The duo spent six years on making the device. Link
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