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.
they invented paper the plow, wheel barrow
The art of papermaking
Paper and porcelain
the umbrella
because it was
acupuncture
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 compass.
the umbrella
BALLZ Haha
The biggest technological advances, between 1950 and 2004, were advances in computer sciences. Technical advances in communications are also considered to be important.
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.
Han China was the most technologically advances civilization in the world
tv
technological advances and enviromental incidents have encouraged scientists to look at earth as a system.
just ruussis
i done no
The toaster