History, Technology, China, Pb China’s ancient water pipes show people mastered complex engineering 4,000 years ago without the need for a China’s ancient water pipes show people mastered complex engineering 4,000 years ago without the need for a centralized state authority - Arkeonews August 23rd, 2023
Color, History, Semiotics, Alchemy, Philosophy Of Science, Mercury, Sun, Saturn, Chart, Esotericism, Zas, Fe, Pb, Indexicality Correspondence - Coarse March 18th, 2023
