The Han dynasty saw advancement in canals & road development as well as utensils, farming tools & iron weapons were developed. Paper production also changed when they replaced silk & bamboo as writing material.
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the role of Zhang Heng in advances are that he made the seismograph, was a respected astronomer, mathematician, engineer and painter during the Eastern Han rates
alcohol, gas laser, etc.
the umbrella
The compass.
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The biggest technological advances, between 1950 and 2004, were advances in computer sciences. Technical advances in communications are also considered to be important.
Han China was the most technologically advances civilization in the world
there main technological advance was figuring out how to do it
The biggest technological advances, between 1950 and 2004, were advances in computer sciences. Technical advances in communications are also considered to be important.
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