Zhang Heng - Ancient Pages

Zhang Heng Archive

Zhang Heng Seismograph Could Record Earth’s Dangerous Movements

AncientPages.com | March 8, 2023

A. Sutherland - AncientPages.com - Zhang Heng (A.D. 78 - 139) was one of the world's first scientists to propose that the universe is infinite in space and

Ancient History Facts

First Odometer Was Invented By Vitruvius Around 15 BC

AncientPages.com | January 24, 2016

Conny Waters - AncientPages.com - People ask many questions and are curious about inventions and discoveries. Here is one question: When was the odometer invented? An odometer is