12 giug 112 anni - Han Dynasty- Achievements

Descrizione:

Iron → learned how to pour this metal into molds which then improved strength and quality of armor and made plows out of this.
Silk → produced from the fibers of a silkworm cocoon, high demand outside of China due to it lightness and breathability while being worn.
Salt → valued in ancient times because people used it to help preserve meat and vegetables.
Paper → used calligraphy to write on this and cheap to produce so more people could afford writing materials.
Acupuncture → process in which thin needles are inserted into specific parts of the body -thought to rebalance the forces of yin and yang, believed to be useful for curing illnesses that strike quickly, like headaches.
Magnetic compass → instrument for determining direction, such as north or south.By the 200s C.E., Chinese scientists understood that a lodestone, a type of iron ore, tends to align itself in a north-south direction because of Earth’s magnetism.

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