The Han Dynasty Seismograph

The Han Dynasty Seismograph

By Emilia Wellesley · Published May 7, 2026 · Updated May 7, 2026 What the Han Dynasty Seismograph Actually Was The Han dynasty seismograph, properly the Houfeng didong yi (候風地動儀, “instrument for measuring the seasonal winds and the movements of the Earth”), is the world’s first known seismoscope. It was completed in 132 CE by […]

The Bermuda Triangle: Unraveling the Atlantic Enigma

The Bermuda Triangle: Unraveling the Atlantic Enigma

What the Bermuda Triangle Actually Is, and What the Numbers Show The Bermuda Triangle is a roughly 500,000 square mile patch of the western North Atlantic, anchored at Miami, San Juan, and the island of Bermuda, where popular accounts claim ships and aircraft vanish at unusual rates. Lloyd’s of London, the U.S. Coast Guard, and […]