Decimal System (India) [Ancient Inventions Series]
Invention Name Decimal Place-Value System (India) Short Definition Base-10 writing of numbers using place value and a zero marker Approximate…
Steam Engine Prototype (Hero of Alexandria) [Ancient Inventions Series]
Invention Name Aeolipile (Hero’s Engine) Short Definition Steam-driven rotating sphere powered by reaction jets Approximate Date / Period 1st Century…
Automatic Doors (temple mechanisms) [Ancient Inventions Series]
Field Details Invention Name Automatic Temple Doors (Temple Mechanisms) Short Description Heat-triggered door-opening system using pneumatics and hydraulics Approx. Date…
Armillary sphere [Ancient Inventions Series]
Invention Name Armillary Sphere Short Definition Ring model representing celestial circles Approximate Date / Period 2nd Century CE Documented •…
