Wednesday, 9 May 2012

Local farmer unveils miniature submarine

Zhang Wuyi, local farmer with interests in scientific inventions, unveiled his double-seater submarine during a test operation at an artificial pool in Wuhan, China on May 7. The submarines, mainly designed for harvesting aquatic products, such as sea cucumber, have a diving depth of 20-30 meters, and can travel for 10 hours. 

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