1077 ⟶ Su Song's Diplomatic Mission and the Development of Astronomical Technology
Chinese official Su Song is sent on a diplomatic mission to ...Year
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🔭 Shen Kuo's Scientific and Technological Advancements
In 1095, Shen Kuo made significant scientific advances, including theories on land formation, climate change, and true north, along with improvements to astronomical instruments, hypotheses on planetary motion, and the spherical nature of the sun and moon, and he conducted early experiments with camera obscura and archaeology.⟶

AstronomyClimate ChangeArchaeologyScientific RevolutionSong DynastyShen Kuo

🌿 Su Song Publishes Ben Cao Tu Jing
– With a team of scholars, the Chinese official Su Song also published the Ben Cao Tu Jing in 1070, a treatise on pharmacology, botany, zoology, metallurgy, and mineralogy. Some of the drug concoctions in Su's book included ephedrine, mica minerals, and linaceae.⟶

PharmacologyBotanyZoologyMetallurgySong DynastySu Song

🕰️ Su Song's Diplomatic Mission and the Development of Astronomical Technology
Chinese official Su Song is sent on a diplomatic mission to the Liao dynasty and discovers that the Khitan calendar is more mathematically accurate than the Song calendar; Emperor Zhezong later sponsors Su Song's astronomical clock tower in order to compete with Liao astronomers.⟶

AstronomySong DynastyLiao DynastySu SongCultural Exchange

🧭 Shen Kuo's First Reference to Magnetic Compass
🕰️ Su Song's Astronomical Clock Tower Construction
– The Chinese mechanical engineer and astronomer Su Song incorporates an escapement mechanism and the world's first known chain drive to operate the armillary sphere, the astronomical clock, and the striking clock jacks of his clock tower in Kaifeng.⟶

ClockmakingAstronomyMechanical EngineeringSong Dynasty
