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Zhang Heng

Ancient Chinese seismoscope

Ancient Chinese Earthquake Detector Invented 2,000 Years Ago Really Worked!

Although we still cannot accurately predict earthquakes, we have come a long way in detecting, recording, and measuring seismic shocks. Many don’t realise that this process began nearly 2000 years...
Vintage armillary sphere.

Armillary Spheres: Following Celestial Objects in the Ancient World

Astronomy is often considered to be one of the oldest branches of science. In many ancient societies, astronomical observations were used not only for the practical job of determine the rhythm of...