Huang Xuhua, 93, the “Father of China’s nuclear subs” said abacuses were central to the development of the Long March-1. Photo: Handout

Scientists used abacuses to develop China’s first nuclear submarine

Sound of beads rattling on bamboo frames could be heard from dusk till dawn, says retired project chief

Topic |   China Society

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Huang Xuhua, 93, the “Father of China’s nuclear subs” said abacuses were central to the development of the Long March-1. Photo: Handout
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