have they contributed anything in science and technological field?
The Han dynasty was a period of development of premodern Chinese science and technology, comparable to the level of scientific and technological growth
Han dynasty
The Han dynasty was a unique period in the development of premodern Chinese science and technology, comparable to the level of scientific and technological growth during the Song dynasty (960–1279).
who was valued in han society under the philosophy of confucianism Emperor Gaozu of Han. can you mention few names of people of the royal family? Emperor Zhao (r. 87–74 BCE) , Emperor Yuan (r. 48–33 BCE)  Emperor Cheng (33–7 BCE) ,  Emperor He (r. 88–105 CE) ,  Emperor Shun (r. 125–144 CE) , Emperor Ling (r. 168–189 CE). was there slavery in this dynasty? Yes, Slaves comprised roughly 1% of the population. who was the founder of this dynasty? Liu Bang. what religion did people follow in this dynasty? They formed large hierarchical religious societies called the Way of the Five Pecks of Rice. did they have their own army? Yes, every male commoner aged twenty-three was liable for conscription into the military.
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Han dynasty [SEP] Science and technology
The Han dynasty was a unique period in the development of premodern Chinese science and technology, comparable to the level of scientific and technological growth during the Song dynasty (960–1279).