D

　　I learned of Saidullah and his amphibious(水陆两用的)bicycle

　　through the Honeybee Network，the organization created by Indian business professor Anil Gupta that aims to track inventions in India’s rural villages.Since 1988，Gupta has been traveling across India in search of inventions that are changing the lives of the country’s rural poor.The network now says 13,000 inventions，from a foot-pedal operated washing machine to a mobile-phone activated irrigation pump that saves farmers the time and difficulty of manually turning on/off water in their fields.More recently，Gupta worked with the Indian government to set up the National Innovation Foundation，which helps formalizes their inventions and their intellectual property rights and is finally helping to change India’s rural masses into self-sustaining industrialists.

　　In the process，the Honeybee Network is drawing attention to industrialists like Mohammad Saidullah，who developed a simple device out of necessity that now has the power to save thousands of lives.

　　Saidullah arrived at the idea for a floating bicycle during one particularly terrible flood season in his home state of Bihar，India.Like many in his town，Saidullah used a bicycle to get around and a boat to cross a river to get basic flood provisions in a nearby city.He thought if only he could make his bicycle float on water，he could save the cost of hiring a boat to cross the river and catching a bus once he arrived on the other side.

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